Update README.md

guest/deep-jsf/src/main/java/com/stackify/deepjsf/GreetControllerBean.java

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+package com.stackify.deepjsf;
+
+import javax.faces.bean.ManagedBean;
+import javax.faces.bean.RequestScoped;
+
+@ManagedBean
+@RequestScoped
+public class GreetControllerBean {
+
+    public String greet() {
+        return "greet";
+    }
+
+}

guest/deep-jsf/src/main/java/com/stackify/deepjsf/PhaseListenerBean.java

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+package com.stackify.deepjsf;
+
+import javax.faces.bean.ManagedBean;
+import javax.faces.bean.RequestScoped;
+import javax.faces.component.UIComponent;
+import javax.faces.component.UIViewRoot;
+import javax.faces.component.visit.VisitContext;
+import javax.faces.component.visit.VisitResult;
+import javax.faces.event.PhaseEvent;
+import javax.faces.event.PhaseId;
+import javax.servlet.http.HttpServletRequest;
+
+@ManagedBean
+@RequestScoped
+public class PhaseListenerBean {
+
+    public void beforeListener(PhaseEvent event) {
+        if (!event.getPhaseId().equals(PhaseId.RENDER_RESPONSE)) {
+            return;
+        }
+        UIViewRoot root = event.getFacesContext().getViewRoot();
+
+        boolean showNewFeature = showNewFeatureForIp(event);
+
+        processComponentTree(root, event, showNewFeature);
+    }
+
+    private boolean showNewFeatureForIp(PhaseEvent event) {
+        HttpServletRequest request = (HttpServletRequest) event.getFacesContext()
+                .getExternalContext().getRequest();
+        String ip = request.getRemoteAddr();
+        return !ip.startsWith("127.0");
+    }
+
+    private void processComponentTree(UIComponent component, PhaseEvent event, boolean show) {
+        component.visitTree(VisitContext.createVisitContext(event.getFacesContext()),
+                (context, target) -> {
+                    if (target.getId() != null
+                            && target.getId().startsWith("new-feature-")
+                            && !show) {
+                        target.setRendered(false);
+                    }
+                    return VisitResult.ACCEPT;
+                });
+    }
+
+}

guest/deep-jsf/src/main/java/com/stackify/deepjsf/UserBean.java

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+package com.stackify.deepjsf;
+
+import javax.faces.bean.ManagedBean;
+import javax.faces.bean.SessionScoped;
+import javax.faces.event.ValueChangeEvent;
+
+@ManagedBean
+@SessionScoped
+public class UserBean {
+
+    private String name = "";
+
+    private String lastName = "";
+
+    private String proposedLogin = "";
+
+    public void nameChanged(ValueChangeEvent event) {
+        this.proposedLogin = event.getNewValue() + "-" + lastName;
+    }
+
+    public void lastNameChanged(ValueChangeEvent event) {
+        this.proposedLogin = name + "-" + event.getNewValue();
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public String getProposedLogin() {
+        return proposedLogin;
+    }
+
+    public void setProposedLogin(String proposedLogin) {
+        this.proposedLogin = proposedLogin;
+    }
+}

guest/deep-jsf/src/main/java/com/stackify/deepjsf/UserControllerBean.java

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+package com.stackify.deepjsf;
+
+import javax.faces.bean.ManagedBean;
+import javax.faces.bean.RequestScoped;
+
+@ManagedBean
+@RequestScoped
+public class UserControllerBean {
+
+    public String register() {
+        return "register-success";
+    }
+
+}